Telephone headset amplifier



FIG. 1 is a front perspective of a first embodiment of a telephoneheadset amplifier showing my design;

FIG. 2 is a rear perspective view thereof;

FIG. 3 is a top plan elevational view thereof;

FIG. 4 is a rear elevational view thereof;

FIG. 5 is a front elevational view thereof;

FIG. 6 is a side elevational view thereof;

FIG. 7 is another side elevational view thereof;

FIG. 8 is a front perspective view of a second embodiment of a telephoneheadset amplifier showing my design;

FIG. 9 is a rear perspective view thereof;

FIG. 10 is a top plan view thereof;

FIG. 11 is a rear elevational view thereof;

FIG. 12 is a front elevational view thereof; and,

FIG. 13 is a side elevational view thereof with the other side being thesame.

The ornamental design for a telephone headset amplifier, shown anddescribed.